Masahiko Okui

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon single crystal wafer for particle monitor
- Patent number 7,837,791
- Issue date Nov 23, 2010
- Sumitomo Mitsubishi Silicon Corporation
- Hiroki Murakami
- C30 - CRYSTAL GROWTH
Information Patent Grant
Production device for high-quality silicon single crystals
- Patent number 6,702,892
- Issue date Mar 9, 2004
- Sumitomo Mitsubishi Silicon Corporation
- Masahiko Okui
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
High-quality silicon single crystal and method of producing the same
- Patent number 6,514,335
- Issue date Feb 4, 2003
- Sumitomo Metal Industries, Ltd.
- Kazuyuki Egashira
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of producing high-quality silicon single crystals
- Patent number 6,458,204
- Issue date Oct 1, 2002
- Sumitomo Metal Industries, Ltd.
- Masahiko Okui
- C30 - CRYSTAL GROWTH
Information Patent Grant
Single crystal pull-up apparatus
- Patent number 6,338,757
- Issue date Jan 15, 2002
- Sumitomo Metal Industries, Ltd.
- Manabu Nishimoto
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of growing crystal
- Patent number 5,402,747
- Issue date Apr 4, 1995
- Sumitomo Metal Industries, Ltd.
- Sumio Kobayashi
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
Silicon single crystal wafer for particle monitor
- Publication number 20080236476
- Publication date Oct 2, 2008
- Hiroki Murakami
- C30 - CRYSTAL GROWTH
Information Patent Application
Silicon single crystal wafer for particle monitor
- Publication number 20040040491
- Publication date Mar 4, 2004
- Hiroki Murakami
- C30 - CRYSTAL GROWTH
Information Patent Application
production device for high-quality silicon single crystals
- Publication number 20020139298
- Publication date Oct 3, 2002
- Masahiko Okui
- C30 - CRYSTAL GROWTH